posted on Jun, 29 2009 @ 01:28 PM
Originally posted by Happyface
reply to post by Soylent Green Is People
Good post Soylent.
Can we figure out new moon is an Earth eclipse on moon?
Are there other planets eclipses?
Hi Happy --
No, a "New moon" is not caused by the Earth eclipsing the Moon (called a "Lunar Eclipse"). In fact, the Moon needs to be in the "Full Moon"
phase to be eclipsed by the Earth, and that's because for a lunar eclipse to occur the Sun, Earth and Moon need to be lined up (in that order) in a
straight line, therefore the part of the Moon lit-up by the Sun would be directly facing the Earth.
The New Moon, on the other hand, happens when the Sun is on the opposite side of the moon as seen from the Earth, therefore the "lit-up" portion of
the moon is facing away from us.
When the Sun/Moon/Earth are lined up (in that order) in a straight line, that's when a "Solar Eclipse" occurs -- which is when the Moon moves
directly in front of the Sun as seen from Earth.
I hope that helps!
...as for your question about other planets eclipses:
There have been occasions the Venus and Mercury have "eclipsed" the Sun as seen from Earth -- these occasions are called "transits". Here are
articles about the transit of Venus and Mercury across the Sun:
Transit of Venus
Transit of Mercury
Only Venus and Mercury can transit (or eclipse) the Sun as seen from Earth because they are the only two planets between the Earth and Sun. Each
planet can only see the planets between it and the Sun transit the Sun. For example, the Earth's, Venus' and Mercury's transit of the Sun would
be visible from Mars, Jupiter and the rest of the outer planets.
[edit on 6/29/2009 by Soylent Green Is People]